asc.edu.ag — Caribbean IPv6 Monitor

Score1/4

Overall IPv4-only

Collected2026-10-02 00:32 UTC

Measurement estimates from a single vantage point — not a compliance certification. Guidance below is for operators, not an SLA.

Priority next steps

Publish AAAA records for web host: asc.edu.ag.
Enable DNSSEC signing and publish a DNSKEY at the apex. Use DNSViz to validate the full chain.
Publish a _dmarc TXT record (start with p=none, then tighten). Check policy on dmarcian.

Unknown

[2] 0/0/0 [O]

Meaning: Shows how many authoritative name servers exist, and how many IPv6 endpoints are configured, responsive, and operational.

IPv4 0/0/0 · IPv6 0/0/0 · location O

Host	IPv4	IPv6	Probes
`d200b.dnsbox` [O]	—	—
`d200a.dnsbox` [O]	—	—

Dual-stack

[1 MX] v4 smtp 4/4/4 v6 smtp 4/4/4 [O]

Meaning: Shows MX footprint and SMTP health per IP family. Operational means an SMTP banner and EHLO exchange succeeded on port 25.

IPv4 SMTP 4/4/4 · IPv6 4/4/4 · location O

Host	IPv4	IPv6	Probes
`asc-edu-ag.mail.protection.outlook.com` [O]	52.101.41.58, 52.101.41.26, 52.101.41.192, 52.101.41.24	2a01:111:f403:c902::4, 2a01:111:f403:f909::, 2a01:111:f403:f905::3, 2a01:111:f403:c946::1	ipv4 52.101.41.58 ok; ipv4 52.101.41.26 ok; ipv4 52.101.41.192 ok; ipv4 52.101.41.24 ok; ipv6 2a01:111:f403:c902::4 ok; ipv6 2a01:111:f403:f909:: ok; ipv6 2a01:111:f403:f905::3 ok; ipv6 2a01:111:f403:c946::1 ok;

IPv4-only

[1] 0/0/0 [I]

Meaning: Shows IPv6 web endpoint readiness for the discovered HTTPS host. Operational means family-specific HTTPS requests complete successfully.

IPv4 1/1/1 · IPv6 0/0/0 · location I

Host	IPv4	IPv6	Probes
`asc.edu.ag` [I]	35.208.253.55	—	ipv4 ok;

📌 Action item(s):

Unsigned

U/-/-

Meaning: Shows whether DNSKEY data is observed at the apex (signed), absent (unsigned), or unavailable due to lookup error.

Apex DNSKEY presence only — not full chain validation.

📌 Action item(s):

Enable DNSSEC signing and publish a DNSKEY at the apex. Use DNSViz to validate the full chain.

No record

No record — no TXT at _dmarc.asc.edu.ag.

Meaning: Published DMARC policy at _dmarc.asc.edu.ag (DNS TXT). Shows organizational policy (p=) and subdomain policy (sp=) when set.

Publish a DMARC TXT at _dmarc.asc.edu.ag (often start with p=none, then tighten).

Policy publication only — SPF/DKIM not measured. Not part of the 0–4 row score.

📌 Action item(s):

Publish a _dmarc TXT record (start with p=none, then tighten). Check policy on dmarcian.